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Product Specifications:
| Item | Lock Washer |
| Class | Not Applicable |
| Color | Silver |
| Dimensional Standards | Asme B18.21.1 |
| Finish | Zinc Plated |
| Fits Bolt Size | 1/4" |
| For Screw Size | 1/4" |
| For Use With | Lock Washers |
| Grade | Grade 2 |
| Hardness | Rockwell C40-C50 |
| Inside Dia. | 0.267" |
| Lock Washer Type | Internal And External Tooth Lock |
| Made In North America | No |
| Material | Steel |
| Material Grade/class | Grade 2 |
| Max. Thickness | 1/25" |
| Reach Compliant | Yes |
| Removable | Yes |
| Rockwell Hardness | C40 to C50 |
| Rohs Compliant | Yes |
| System Of Measurement | Imperial |
| Thickness | 1/25" |
| Thickness Tolerance | 0.032" to 0.040" |
| Type | Internal And External Tooth Lock |
Shipping Info:
| Ship weight (kg) | 0.03 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 16.99 |
| Ship width (cm) | 16.38 |
| HS code | 7318210030 |
| Country of Origin | TW |
Product Variants
| Product | Model | Fits Bolt Size | Thickness | For Screw Size | Max. Thickness | Thickness Tolerance | Material Grade/class | Color | Lock Washer Type | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U37590.011.0001 | #4 | 0.02" | #4 | 0.021" | 0.016" to 0.021" | Grade 2 | Silver | Internal And External Tooth Lock | 100 | €13.69 | |
![]() |
U37590.013.0001 | #6 | 0.028" | #6 | 0.028" | 0.023" to 0.028" | Grade 2 | Silver | Internal And External Tooth Lock | 100 | €9.07 | |
![]() |
U37590.016.0001 | #8 | 0.034" | #8 | 0.034" | 0.028" to 0.034" | Grade 2 | Silver | Internal And External Tooth Lock | 100 | €10.68 | |
![]() |
U37590.019.0001 | #10 | 0.034" | #10 | 0.034" | 0.028" to 0.034" | Grade 2 | Silver | Internal And External Tooth Lock | 100 | €14.59 | |
![]() |
U37590.031.0001 | 5/16" | 1/25" | 5/16" | 1/25" | 0.032" to 0.040" | Grade 2 | Silver | Internal And External Tooth Lock | 100 | €37.75 |
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APPROVED VENDOR U37590.025.0001 Lock Washer, 1/4 In Fits Bolt Size, Int. And Ext. Tooth Lock, 19/25 In O.D.
€25.94 /pack





